CMAT Maths Puzzle Numerical Ability

A student is to answer 10 out of 13 questions in an examination such that he must choose exactly four from the first five questions. The number of choices available to him is
Option
(a) 140
(b) 196
(c) 280
(d) 346

Read Solution (Total 1)

answer 4 from from 1st five then answer remaining 6 qn from last 8 qn

no. of choices =5c4*8c6=5*28=140
(a) 140
10 years agoHelpfull: Yes(0) No(1)

CMAT Other Question

After three years, Arun would be twice as old as his brother was four years ago. His sister’s present age is half of his brother’s age that would be 12 years from now. If the sum of present ages of all the
three is twice as much as Arun’s age one year from now, his brother’s age 2 years ago would have been
Option
(a) 47 years
(b) 21 years
(c) 30 years
(d) 28 years In a class, 50 students play cricket, 20 students play football and 10 students play both cricket and football. How many students play at least one of these two games?
Option
(a) 10
(b) 50
(c) 80
(d) 60